Cetyltrimethylammonium chloride is which type of detergent?

Benzalkonium chloride is $......$.

Which analgesics are called opiates?

Assertion : Sedatives are given to patients who are mentally agitated and violent.
Reason : Sedatives are used to suppress the activities of the central nervous system.

$A$ food additive that acts as an antioxidant is

$H_1-$Receptor antagonists is a term associated with